I was transferring some large amounts of data from my boot drive to my secondary drive, and noticed that it was hogging CPU in a major way. So, says I, it must be a DMA issue. I go and look at the ...

On my CD-RW drive I can't get it to use DMA, I tried setting it to DMA if available but it still uses PIO. I think it may be because in the bios it is set to PIO mode 4 and DMA mode 2. anyone's help ...